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        1.
        2017.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        To gain insights into the role of purinergic receptors in human dental pulp cells (hDPCs) differentiation, we characterized the expression and functional activity of P2Y1 receptors and investigated the effects of ADP on the proliferation and differentiation of this pulp stem-like cell population. Our data showed that ADP did not induce cell proliferation to expose the various ADP concentrations for 72 hours, but the proliferative capacity of hDPCs was inhibited at higher ATP concentrations (100 μM). Using RT-PCR analysis, we found that ADP induced several P2Y receptors including P2Y1 as well as odontoblastic differentiation genes, dentin matrix protein 1 (DMP1) and dentin sialophosphoprotein (DSPP) in a dose-dependent manner. The effects of ADP on the expression of DMP-1 and DSPP mRNA were prevented by the P2Y1 antagonist MRS2179. The extracellular matrix calcium deposits were clearly observed in ADP-treated hDPCs by alizarin red S staining. Quantitative measurement of mineralization induced by ADP was significantly inhibited in MRS2179-treated hDPCs. These results may provide new insights into the molecular regulation of the differentiation of hDPCs.
        4,000원